package com.lx.gulimall.order.config;

import com.lx.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * @author lixun Email:lx3027@126.com
 * @create 2021-08-15 19:04
 */
@Configuration
public class MyMQConfig {

    /**
     * 一旦创建好队列之后，再修改以下配置也不会覆盖掉已创建的队列
     * 除非手动删除 RabbitMQ 的队列，然后再重新运行一下代码
     *
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){

        Map<String,Object> arguments = new HashMap<>();

        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);

        // String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);

        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        return new TopicExchange("order.event.exchange",true,false);
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order.event.exchange",
                "order.create.order",
                null
                );
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order.event.exchange",
                "order.release.order",
                null
        );
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding(){
        return new Binding("stock-release-stock-queue",
                Binding.DestinationType.QUEUE,
                "order.event.exchange",
                "order.release.other.#",
                null
        );
    }


    @Bean
    public Queue orderSecKillOrderQueue(){
        Queue queue = new Queue(
                "order.seckill.order.queue",
                true,
                false,
                false
        );
        return queue;
    }

    @Bean
    public Binding orderSecKillQueueBinding(){
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order.event.exchange",
                "order.seckill.order",
                null
        );
    }

}
